Digital Particle Image Velocimetry (DPIV) is a technology for fast, full field velocity measurement.

粒子图像测速是一种快速全流场测量方法。

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A cross correlation algorithm based on Fast Fourier Transform (FFT) for Digital Particle Image Velocimetry (DPIV) is discussed thoroughly in this paper.

详细研究了基于快速傅立叶变换(FFT)的数字粒子图象测速技术(DPIV)的互相关算法。

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The fluid flow phenomena happened in the mould of continuous casting of aluminium alloy was studied by digital particle image velocimetry(DPIV) technology.

利用先进的数字粒子图像测速技术（D PIV）对铝合金板坯连铸过程中结晶器内的流场进行研究。

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